# coding=utf-8
# -*- coding: utf-8 -*-  

instr = []
print("输入数字: "),
for i in range(0, 3):
    print('第%d个数字  ' % (i+1), end='')
    instr.append(float(input()))
    instr.sort()
for pp in instr:
    print('%.2f' % pp, end=' ')
